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Attention-Deficit/Hyperactivity Disorder

The essential feature of an individual with this disorder is a persistent pattern of inattention and/or hyperactivity-impulsivity.
Diagnostic criteria for this disorder are divided by inattention or hyperactivity-impulsivity or both.
Symptoms of inattention may include the following:
 | often fails to give close attention to details or makes careless mistakes in schoolwork, work, or other activities
 | often has difficulty sustaining attention in tasks or play activities
 | often does not seem to listen when spoken to directly
 | often does not follow through on instructions and fails to finish schoolwork, chores, or duties in the workplace
 | often has difficulty organizing tasks and activities
 | often avoids, dislikes, or is reluctant to engage in tasks that require sustained mental effort
 | often loses things necessary for tasks or activities
 | is often easily distracted by extraneous stimuli
 | is often forgetful in daily activities
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Symptoms of hyperactivity-impulsivity may include the following:
- Hyperactivity:
 | often fidgets with hands or feet; squirms in seat
 | often leaves seat in classroom or in other situations in which remaining seated is expected
 | often runs about or climbs excessively in situations in which it is inappropriate to do so (for adolescents and adults, this may be limited to feelings of restlessness)
 | often has difficulty playing or engaging in leisure activities quietly
 | is often "on the go" or often acts as if "driven by a motor"
 | often talks excessively
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Impulsivity:
 | often blurts out answers before questions have been completed
 | often has difficulty awaiting turns
 | often interrupts or intrudes on others
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Subtypes:
 | Attention-Deficit/Hyperactivity Disorder, combined type
 | Attention-Deficit/Hyperactivity Disorder, Predominantly Inattentive Type
 | Attention-Deficit/Hyperactivity Disorder, Predominantly Hyperactive-Impulsive Type
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